随机分形法和曲面造型法分别在地形生成的随机性和可控性方面能起到一定的作用。
There exist already methods for combining random mid-point displacement method with curved-surface modeling to generate mountain terrain.
顶点位置和法向插值是参数曲面造型的重要内容。
Interpolation to vertex positions and normals is one of important contents in parametric surface modeling.
三维中点变位法生成分形曲面是分形几何原理的一个典型应用，在自然景物造型中发挥着重要作用。
Using three dimensional midpoint displacement to generate fractal curves is a typical application of the fractal principle and plays an important role in the shaping of naturally occurring objects.
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